Laura Robson lost to a woman 24 years her senior as she went out in the opening round of the Japan Open.
Caroline Wozniacki raced to a 6-1 6-2 win over South Africa's Chanelle Scheepers to reach the third round of the US Open.
Order of play for day four of the US Open, with Rafa Nadal, Roger Federer, Serena Williams and Victoria Azarenka all on court.
Round-up: Venus Williams slumped to a 0-6 6-4 6-2 loss to Kirsten Flipkens in the Rogers Cup first round.
Serena Williams eased into the third round of the WTA Bastad open with a 6-2 6-3 win over Anna Tatishvili.
Serena Williams enjoyed a comfortable afternoon on her first WTA appearance since Wimbledon on the red clay of Bastad.
Laura Robson opened her Wimbledon campaign with a convincing 6-3 6-4 win over Maria Kirilenko.
Round-up: Serena Williams began the defence of her Wimbledon title with a comfortable 6-1 6-3 victory over Luxembourg's Mandy Minella.
When Kevin Anderson takes to the court in the third round of the French Open on Friday he will not just be representing his nation but a vast continent.
Maria Sharapova started her French Open title defence with a ruthless 6-2 6-1 dismissal of Taipei's Hsieh Su-Wei.
Serena Williams beat Anna Tatishvili 6-0 6-1 to emphatically book her place in the second round of the French Open.
Former champion Ana Ivanovic of Serbia survived a second-set collapse to beat Croatian Petra Martic 6-1 3-6 6-3 and reach the second round of the French Open.
The full schedule for the second day at Roland Garros, with defending champion Rafa Nadal in action.
Draw for the French Open women's singles first round (prefix number denotes seeding): 1-Serena Williams (U.S.) v Anna Tatishvili (Georgia) Qualifier v
Round-up: Sloane Stephens fell to a surprise defeat at the hands of Peng Shuai going down 6-2 6-3 at the Brussels Open.
ATP World Tour Finals
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